Everytime you walk on an event-generating region, galv's script disposes every character sprite and recreates it. This causes the error you detected since the hover sprite is dependent on the existence of the character to whom it is attached; when the character is disposed, so is the hover sprite.
To fix it, I needed to change that mass disposal feature of galv's script and replace it with one that only recreates the character in issue, but I am not entirely sure how that will interact with other scripts or whether it might cause problems down the line. On the plus side, however, it is less resource-intensive and will probably cause less lag in maps with many events.
Anyway, here is the patch:
#==============================================================================
# Hover Alerts + galv's Region Effects
# Compatibility Patch
# Version: 1.0
# Authors: modern algebra (rmrk.net) & galv
# Date: 5 October 2013
#++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
# Description:
#
# This patch fixes an error between my Hover Alerts script and galv's Region
# Effects script. Without it, a hover alert will constantly refresh when
# walking through an event-generating region.
#++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
# Instructions:
#
# Insert this script into the Script Editor (F11) in a new slot, somewhere
# below galv's Region Effects script but still above Main.
#==============================================================================
#==============================================================================
# ** Spriteset_Map
#++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
# Summary of Changes:
# new method - gre_refresh_event
#==============================================================================
class Spriteset_Map
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# * Refresh Event
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
def gre_refresh_event(id)
# Find any existing event with the same ID
esi = @character_sprites.find_index {|sprite| sprite &&
sprite.is_a?(Sprite_Character) && sprite.character.is_a?(Game_Event) &&
sprite.character.gre_event_id == id }
if esi
# Dispose Existing Event
@character_sprites[esi].dispose if !@character_sprites[esi].disposed?
@character_sprites.delete_at(esi)
else
esi = $game_map.events.values.size - 1
end
# Refresh new region event
@character_sprites.insert(esi, Sprite_Character.new(@viewport1, $game_map.events[id]))
end
end
#==============================================================================
# ** Game_Event
#++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
# Summary of Changes:
# new method - gre_event_id
#==============================================================================
class Game_Event
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# * Event ID
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
def gre_event_id
@id # Get Event ID
end
end
#==============================================================================
# ** Game_Map
#++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
# Summary of Changes:
# overwritten method - region_effect
#==============================================================================
class Game_Map
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# * Region Effect
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
def region_event(dx, dy, event_id, map_id)
# Retrieve event from the spawn map
map_id = @map_id if map_id == 0
event = generated_region_event($data_spawn_map, event_id)
# Generate ID
new_id = @effect_var.length < Region_Effects::MAX_EFFECTS ?
(@events.keys.max.nil? ? 1 : @events.keys.max + 1) : @effect_var.shift
@effect_var.push(new_id)
# Create new Event
@events[new_id] = Game_Event.new(@map_id, event)
@events[new_id].moveto(dx, dy)
SceneManager.scene.spriteset.gre_refresh_event(new_id) # Refresh Event
end
end
Place it below galv's script but still above Main.
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